.border-radius(@r) {
  border-radius: @r;
}

//transform
.transform(@transformation) {
  -moz-transform: @transformation;
  -webkit-transform: @transformation;
  -o-transform: @transformation;
  -ms-transform: @transformation;
  transform: @transformation;
}

.transform-origin(@origin) {
  -moz-transform-origin: @origin;
  -webkit-transform-origin: @origin;
  -o-transform-origin: @origin;
  -ms-transform-origin: @origin;
  transform-origin: @origin;
}

//animation
.animation(@params) {
  -moz-animation: @params;
  -webkit-animation: @params;
  -o-animation: @params;
  -ms-animation: @params;
  animation: @params;
}

.animation-duration(@duration:1s) {
  -moz-animation-duration: @duration;
  -webkit-animation-duration: @duration;
  -o-animation-duration: @duration;
  -ms-animation-duration: @duration;
  animation-duration: @duration;
}
